Which of the Following Modifications Is Least Likely to Alter

question 44

Multiple Choice

Which of the following modifications is least likely to alter the rate at which a DNA fragment moves through a gel during electrophoresis?

• A) altering the nucleotide sequence of the DNA fragment without adding or removing nucleotides
• B) acetylating the cytosine bases within the DNA fragment
• C) increasing the length of the DNA fragment
• D) decreasing the length of the DNA fragment
• E) neutralizing the negative charges within the DNA fragment

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Definitions:

Panic Attack

A sudden episode of intense fear or anxiety that triggers severe physical reactions, despite no real danger or apparent cause.

Intense Apprehension

A strong feeling of anxiety or fear about something that is happening or might happen.

Agitated

A state of nervousness or unrest, often characterized by an inability to remain calm or still.

Agoraphobia

An anxiety disorder characterized by an intense fear of being in places or situations where escape may be difficult or help might not be available.